TWI790833B - Keyboard - Google Patents

Abstract

A keyboard includes a bottom plate, a display member, and a keyswitch assembly. The display member is disposed over the bottom plate. The keyswitch assembly includes a keycap, a fixing base, two balance bars, and a position-returning member. The keycap is located over the bottom plate and has a light-transmitting portion located above the display member. The fixing base is disposed on the bottom plate and has a retaining groove. Each of the balance bars includes a rod portion and an end portion. The rod portion is rotatably engaged with the keycap. The end portion is movably retained in the retaining groove. The position-returning member abuts against the keycap above the bottom plate and is adjacent to an edge of the keycap.

Description

keyboard

The present disclosure relates to a keyboard.

As far as current personal computer usage habits are concerned, the keyboard is one of the indispensable input devices for inputting characters or numbers. Not only that, all the consumer electronic products or large-scale processing equipment used in the industry in daily life need to be equipped with buttons as input devices to operate the above-mentioned electronic products and processing equipment.

Generally speaking, ink printing, spray painting, laser engraving and other methods can be used to present specific characters on the surface of the keycap of the keyboard. However, different kinds of Chinese characters belong to different kinds of keyboards. Different kinds of keyboards will have different stock of materials, which makes the cost of production and marketing unable to be reduced. In addition, this conventional keyboard cannot allow the user to replace the characters presented on the surface of the keycaps with other desired patterns or texts according to requirements.

Therefore, how to propose a keyboard that can solve the above-mentioned problems is one of the problems that the industry is eager to invest in research and development resources to solve.

In view of this, one purpose of the present disclosure is to propose a keyboard that can solve the above problems.

In order to achieve the above object, according to an embodiment of the present disclosure, a keyboard includes a bottom plate, a display element, and a key assembly. The display element is arranged above the base plate. The button assembly includes a keycap, a fixing seat, two balance bars and a reset piece. The keycap is located above the bottom plate, and has a light-transmitting part located above the display element. The fixing seat is arranged on the bottom plate and has a limiting groove. Each balance pole includes a shaft portion and an end portion. The stem portion rotatably engages the keycap. The end is movably limited in the limiting groove. The restoring part abuts against the keycap above the bottom plate and is adjacent to the edge of the keycap.

In one or more embodiments of the present disclosure, the reset member is disposed under one of the balance bars. The reset member is elongated and substantially parallel to the aforementioned rod portion of the balance rod.

In one or more embodiments of the present disclosure, the reset member has a receiving groove. The accommodating groove accommodates a part of the aforementioned rod portion of the balance rod.

In one or more embodiments of the present disclosure, the keyboard further includes a circuit board disposed on the bottom plate. The aforementioned portion of the rod abuts against the bottom of the receiving groove. The reset part also has a conducting post. The conducting column is located under the receiving groove and is configured to contact the circuit board when the keycap is pressed.

In one or more embodiments of the present disclosure, the reset member further has two supporting legs. The supporting feet extend substantially parallel to the aforementioned ones of the balance bars.

In one or more embodiments of the present disclosure, the reset member is disposed and contacts between the keycap and the fixing seat.

In one or more embodiments of the present disclosure, the balance pole includes a first balance pole and a second balance pole. The first balance bar is a solid structure. The end of the second balance bar is a hollow structure.

In one or more embodiments of the present disclosure, at least a part of the end of the first balance pole is movably sleeved in the end of the second balance pole.

In one or more embodiments of the present disclosure, the keyboard further includes a circuit board disposed on the bottom plate. The keycap has conductive ribs. The conduction rib is configured to contact the circuit board when the keycap is pressed.

In one or more embodiments of the present disclosure, the display element is fixed to the bottom surface of the keycap.

In one or more embodiments of the present disclosure, the keyboard further includes a bearing base. The bearing seat has a first engaging structure. The bottom surface of the keycap has a second engaging structure. The first engaging structure and the second engaging structure are engaged with each other. The display element is carried on the bearing seat.

To sum up, in the keyboard of the present disclosure, the display element arranged above the bottom plate can display specific patterns or characters according to the needs of the user, and can be viewed by the user through the light-transmitting part of the keycap, so it is very convenient for the user Change the pattern or text to highlight the uniqueness of the keyboard. The disclosed keyboard utilizes two balance bars instead of the conventional scissor-type interlocking structure to guide the movement of the keycaps, thus effectively avoiding the problem of covering the display elements. In addition, the ends of the two balance bars can be designed to be nested with each other, so as to realize the interlocking movement of the two when the keycap is pressed. In some implementations of the keyboard of the present disclosure, the reset member has a receiving groove for receiving a part of the balance bar, and has a conductive post located under the receiving groove. In this way, when the keycap is pressed, since the force-bearing distance of the conducting post is shorter, it has the effect of triggering the key signal faster.

The above description is only used to explain the problems to be solved by the present disclosure, the technical means to solve the problems, and the effects thereof, etc. The specific details of the present disclosure will be introduced in detail in the following implementation methods and related drawings.

The following will disclose multiple implementations of the present disclosure with diagrams, and for the sake of clarity, many practical details will be described together in the following description. However, it should be understood that these practical details should not be used to limit the present disclosure. That is to say, in some embodiments of the present disclosure, these practical details are unnecessary. In addition, for the sake of simplifying the drawings, some well-known structures and components will be shown in a simple and schematic manner in the drawings.

Please refer to Figure 1. FIG. 1 is a perspective view illustrating a keyboard 100 according to an embodiment of the present disclosure. As shown in FIG. 1, the keyboard 100 of this embodiment can be an external keyboard (for example, a keyboard with a PS2 interface or a keyboard with a USB interface) for desktop computers or an input device including keys, but it is not intended to limit. In other words, the concept of the keyboard 100 disclosed in the present disclosure can be applied to any electronic product that uses pressing as an input method.

Please refer to Figure 2 and Figure 3. FIG. 2 is a partial three-dimensional exploded view of the keyboard 100 according to an embodiment of the present disclosure. FIG. 3 is a partial three-dimensional assembled view showing the structure in FIG. 2 omitting the keycap 141 . As shown in FIG. 2 and FIG. 3 , in this embodiment, the keyboard 100 includes a bottom plate 110 , a circuit board 120 and a plurality of key assemblies 140 . The circuit board 120 is disposed on the base plate 110 . The combination of the base plate 110, the circuit board 120 and the single key component 140 can be regarded as a key device. In the key device, the keyboard 100 further includes a display element 130 . The display element 130 is disposed above the base plate 110 .

As shown in FIG. 2 and FIG. 3 , the circuit board 120 has a hollow portion 121 penetrating through it. The display element 130 is disposed on the base plate 110 and placed in the hollow portion 121 , but the present disclosure is not limited thereto. In some other embodiments, the display element 130 can be disposed between the base plate 110 and the circuit board 120 , and the circuit board 120 has a hollow or transparent area directly above the display element 130 .

As shown in FIG. 2 and FIG. 4 , in this embodiment, the keyboard 100 further includes a spacer 150 . The display element 130 is disposed on the base plate 110 through the spacer 150 to prevent short circuit. In this embodiment, the spacer 150 is ring-shaped, but the disclosure is not limited thereto. In some embodiments, the material of the spacer 150 includes insulating foam, but the disclosure is not limited thereto.

As shown in FIG. 2 , in this embodiment, the button assembly 140 includes a keycap 141 . The keycap 141 is located above the base plate 110 and has a light-transmitting portion 141 a located above the display element 130 . The display element 130 can display specific patterns or characters according to the needs of the user, and can be viewed by the user through the light-transmitting portion 141 a of the keycap 141 , so it is very convenient for the user to change the pattern or characters to highlight the uniqueness of the keyboard 100 .

In some embodiments, the display element 130 is, for example, a liquid crystal display unit, a light emitting diode display unit, an electronic paper display unit, etc., but the disclosure is not limited thereto.

As shown in FIG. 2 and FIG. 3 , in this embodiment, the button assembly 140 further includes a fixing seat 142 , a first balance bar 143 and a second balance bar 144 . The circuit board 120 has a hole 122 . The fixing seat 142 is disposed on the bottom plate 110 through the hole 122 and has a limiting slot 142a. In this embodiment, the limiting groove 142a is a through hole, but the disclosure is not limited thereto. The first balance pole 143 includes a first pole portion 143a, a second pole portion 143b and an end portion 143c. The first rod portion 143a is rotatably engaged with the keycap 141 . The second rod portion 143b is connected to one end of the first rod portion 143a , is bent relative to the first rod portion 143a , and extends toward the fixing base 142 . The end portion 143c is connected to one end of the second rod portion 143b and bent relative to the second rod portion 143b. The second rod portion 143b is connected between the first rod portion 143a and the end portion 143c. In addition, the second balance pole 144 includes a first pole portion 144a, a second pole portion 144b, and an end portion 144c. The first rod portion 144 a rotatably engages with the keycap 141 . The second rod portion 144b is connected to one end of the first rod portion 144a , is bent relative to the first rod portion 144a , and extends toward the fixing seat 142 . The end portion 144c is connected to one end of the second rod portion 144b and is bent relative to the second rod portion 144b. The second rod portion 144b is connected between the first rod portion 144a and the end portion 144c. In this embodiment, the first pole portion 143a of the first balance pole 143 is longer than the first pole portion 144a of the second balance pole 144, so the second pole portion 143b of the first balance pole 143 is positioned at the second pole portion 144 The end 143c of the first balance pole 143 extends towards the inside, and the end 144c of the second balance pole 144 extends towards the outside, so that the end 143c of the first balance pole 143 is aligned with the second balance pole. The ends 144c of 144 are respectively inserted into the two sides of the limiting groove 142a, and are movably limited in the limiting groove 142a, and the first balance bar 143 and the second balance bar 144 are movably arranged on the The keycap 141 and the bottom plate 110, so that when the keycap 141 is pressed, especially when the user presses the edge or corner of the keycap 141, the pressing force can be transmitted to the entire key through the first balance bar 143 and the second balance bar 144. The cap 141 is used to drive the key cap 141 to move up and down steadily relative to the bottom plate 110 .

With the aforementioned structural configuration, the first balance bar 143 and the second balance bar 144 can replace the conventional scissors linkage structure to guide the movement of the keycap 141 , thus effectively avoiding the problem of covering the display element 130 .

In some embodiments, the keycap 141 can be manufactured by double injection molding (for example, the periphery of the pressing surface of the keycap 141 is made of black material, and the center is made of transparent material), partial painting or printing. In this way, the center of the pressing surface of the keycap 141 can allow the user to view the pattern or text displayed on the display element 130 below, while the peripheral edge of the pressing surface of the keycap 141 can block the first balance bar 143 and the second balance bar below. The rod 144 and the fixing seat 142.

In some embodiments, the material of the fixing seat 142 may include plastic, and may be fixed on the bottom plate 110 through a hot-melt process, but the disclosure is not limited thereto.

Please refer to FIG. 4 , which is a partial cross-sectional view showing the structure in FIG. 2 . As shown in FIG. 4 , in this embodiment, the first balance bar 143 is a solid structure. The end 144c of the second balance bar 144 is a hollow structure. At least a part of the end portion 143c of the first balance pole 143 is movably sleeved in the end portion 144c of the second balance pole 144 . By designing the end portion 143c of the first balance bar 143 and the end portion 144c of the second balance bar 144 to be nested in each other, the first balance bar 143 and the second balance bar 144 can be used to press the keycap 141. time-linked movement. In some embodiments, the end 143c of the first balance bar 143 and the end 144c of the second balance bar 144 can be further provided with protrusions and groove structures corresponding to each other, so that the first balance bar 143 and the second balance bar 144 Can be linked with each other.

In this embodiment, the second balance pole 144 may be a hollow structure as a whole. In some other embodiments, the first pole portion 144a and the second pole portion 144b of the second balance pole 144 can be solid structures, and the end portion 144c can be a hollow sleeve sleeved on the second pole portion 144b. But this disclosure is not limited thereto.

In some embodiments, the material of at least one of the first balance pole 143 and the second balance pole 144 includes metal, but the present disclosure is not limited thereto.

As shown in FIG. 2 and FIG. 3 , in this embodiment, the button assembly 140 further includes a plurality of reset members 145 . The reset member 145 is disposed on the circuit board 120 , abuts against the keycap 141 , and is adjacent to an edge of the keycap 141 . Some reset members 145 are disposed under the first pole portion 143 a of the first balance pole 143 , while other reset members 145 are disposed under the first pole portion 144 a of the second balance pole 144 . When the keycap 141 is pressed down by an external force, the reset member 145 produces a resistance to support the keycap 141, thereby providing the user with a pressing feel, and guided by the first balance bar 143 and the second balance bar 144, The depressed keycap 141 can move to the lowest position. After the external force applied to the keycap 141 is released, the reset member 145 can make the depressed keycap 141 return to the highest position through the generated resistance force. In some embodiments, the reset member 145 can be an elastic body, and the material can include rubber, but the disclosure is not limited thereto.

Please refer to FIG. 5 , which is a partial perspective view of the first balance bar 143 and the reset member 145 in FIG. 3 . As shown in FIG. 5 , in this embodiment, the reset member 145 has an accommodating groove 145 a. The accommodating groove 145a is formed by indenting the first rod portion 143a of the first balance rod 143 on the side of the reset member 145 facing the keycap 141 . The accommodating groove 145 a accommodates a part of the first pole portion 143 a of the first balance pole 143 . The aforementioned portion of the first rod portion 143a abuts against the bottom of the receiving groove 145a. In addition, the reset member 145 also has a conductive column 145b. The conducting column 145b is located under the receiving groove 145a and configured to contact the circuit board 120 when the keycap 141 is pressed.

In some embodiments, the circuit board 120 is, for example, a thin film circuit board, but the disclosure is not limited thereto. For example, the circuit board 120 includes a lower film layer, an upper film layer and a spacer layer (not shown) separating the two film layers. The spacer layer has a through hole directly below the keycap 141 . The lower thin film layer and the upper thin film layer respectively contain circuits and a plurality of conducting points. When the keycap 141 is not pressed, the conductive points on the upper film layer and the conductive points on the lower film layer are separated electrically on both sides of the spacer layer. When the keycap 141 is pressed and moves toward the bottom plate 110, the keycap 141 and the first rod portion 143a of the first balance bar 143 will press the reset member 145 to deform it, causing the conductive post 145b of the reset member 145 to push up. The thin-film layer partially enters the through-hole of the spacer layer so that the contact on the upper thin-film layer passes through the through-hole to contact the contact on the lower thin-film layer (ie, triggers the action). In this way, the circuit board 120 can then generate a trigger signal corresponding to the pressed key assembly 140 .

Due to the above-mentioned structural configuration between the first rod portion 143a and the receiving groove 145a of the reset member 145, when the keycap 141 is pressed, since the force bearing distance of the conductive column 145b is relatively short, the key signal can be triggered faster. effect.

As shown in FIG. 5 , in this embodiment, the restoring member 145 is elongated and extends laterally substantially parallel to the first rod portion 143 a of the first balance rod 143 . In addition, the reset member 145 also has two supporting feet 145c. The supporting legs 145c extend laterally substantially parallel to the first pole portion 143a of the first balance pole 143 , and are located on two sides of the conducting pole 145b respectively. With the aforementioned structural configuration, the area where the single reset member 145 supports the keycap 141 can be increased, thereby effectively avoiding the problem of tilting when a certain edge or corner of the keycap 141 is pressed.

As shown in FIG. 5 , in this embodiment, the reset member 145 has a plurality of notches 145d1, 145d2. The notch 145d1 is formed on the sidewall of the receiving groove 145a, and is formed by indenting one side of the reset member 145 toward the keycap 141 . The notch 145d2 is located on the supporting leg 145c, and is formed by indenting one side of the reset member 145 facing the bottom plate 110 . Through the design of the notches 145d1 and 145d2 , the degree of difficulty of compressive deformation of the reset member 145 can be adjusted, thereby having the effect of providing a specific pressing feeling according to requirements.

Please refer to Figures 6, 7 and 8. FIG. 6 is a partial three-dimensional exploded view of the keyboard 100 according to another embodiment of the present disclosure. FIG. 7 is a partial three-dimensional assembled view showing the structure in FIG. 6 omitting the keycap 241 . Fig. 8 is a partial cross-sectional view showing the structure in Fig. 6 . As shown in Figures 6 to 8, in this embodiment, the keyboard 100 includes a base plate 110, a circuit board 120, a display element 130, a plurality of key assemblies 240, and a spacer 150, wherein the base plate 110, the circuit board 120, the display The element 130 and the spacer 150 are the same as or similar to the embodiment shown in FIG. 2 , so the introduction of these elements can refer to the above-mentioned related descriptions, and will not be repeated here. Further, the button assembly 240 of this embodiment includes a keycap 241, a fixed seat 142, a first balance bar 143, a second balance bar 144, and a reset member 245, wherein the fixed seat 142, the first balance bar 143 and the second balance bar The rod 144 is the same as or similar to the embodiment shown in FIG. 2 , so the introduction of these components can refer to the above-mentioned related descriptions, and will not be repeated here.

It should be noted that a difference between this embodiment and the embodiment shown in FIG. 2 is that the reset member 245 of this embodiment is disposed and contacts between the keycap 141 and the fixing seat 142 . When the keycap 241 is pressed down by an external force, the reset member 245 produces a resistance to support the keycap 241, thereby providing the user with a pressing feel, and guided by the first balance bar 143 and the second balance bar 144, The depressed keycap 241 can move to the lowest position. After the external force applied to the keycap 241 is released, the reset member 245 can make the depressed keycap 241 return to the highest position through the generated resistance force. In this embodiment, the reset member 245 is an inverted dome structure, the diameter of the side facing the keycap 241 of the reset member 245 is larger than the diameter of the side facing the bottom plate 110, and a plurality of arc-shaped supporting feet 245c are provided. The supporting legs 245c abut against the bottom surface of the keycap 241, and the notch 245d2 between the supporting legs 245c can be used to adjust the degree of difficulty of the reset member 245 being deformed under pressure, thereby having the effect of providing a specific pressing feel according to the demand, and allowing the reset member to When 245 is compressed, air is expelled through the notch 245d2.

In some implementations, the reset member 245 can be disposed on the fixing seat 142 by an in-mold injection molding process. In some other implementations, the reset member 245 can be attached to the fixing seat 142 by an adhesive process (for example, through glue). In some other embodiments, the reset member 245 can also be disposed on the bottom surface of the keycap 241 in the aforementioned manner.

As shown in FIG. 8, in this embodiment, the keycap 241 has a conduction rib 241a. The conducting rib 241 a is disposed on an edge of the keycap 241 and protrudes toward the bottom plate 110 . The conduction rib 241a is configured to contact the circuit board 120 when the keycap 241 is pressed. As mentioned above, in the embodiment where the circuit board 120 is a thin film circuit board including a lower film layer, an upper film layer and a spacer layer, when the keycap 241 is pressed and moves toward the bottom plate 110, the keycap 241 will be pushed back. part 245 to deform it, so that the conductive rib 241a on the edge of the keycap 241 pushes the upper film layer to partially enter the through hole of the spacer layer, so that the conductive point on the upper film layer passes through the through hole and contacts the lower film layer. Conduction points (ie, trigger behaviors). In this way, the circuit board 120 can then generate a trigger signal corresponding to the pressed button assembly 240 .

Please refer to FIG. 9 , which is a partial cross-sectional view illustrating some elements of a key device according to another embodiment of the present disclosure. In this embodiment, the structures of the keycap 141 in the embodiment shown in FIG. 2 and the keycap 241 in the embodiment shown in FIG. 6 are modified, and the installation position of the display element 130 is also modified. Specifically, in this embodiment, the button device further includes a bearing seat 360 . The bearing seat 360 has a first engaging structure 361 . The bottom surface of the keycap 341 has a second engaging structure 341b. The first engaging structure 361 and the second engaging structure 341b are engaged with each other. The display element 130 is carried on the bearing base 360 and located between the bearing base 360 and the bottom surface of the keycap 341 . It can be seen that, in practical applications, the design in which the display element 130 is disposed on the bottom plate 110 in the embodiments shown in FIG. 2 and FIG. 6 can be modified to be fixed to the bottom surface of the keycap 341 according to this embodiment. In this way, the display element 130 can move up and down together with the pressed keycap 341 . In some embodiments, the first engaging structure 361 and the second engaging structure 341b are hooks, but the present disclosure is not limited thereto.

From the above detailed description of the specific implementation of the present disclosure, it can be clearly seen that in the keyboard of the present disclosure, the display element arranged above the bottom plate can display specific patterns or characters according to the needs of the user, and can be displayed through the keycap The light-transmitting part of the keyboard is viewed by the user, so it is very convenient for the user to change the pattern or text to highlight the uniqueness of the keyboard. The disclosed keyboard utilizes two balance bars instead of the conventional scissor-type interlocking structure to guide the movement of the keycaps, thus effectively avoiding the problem of covering the display elements. In addition, the ends of the two balance bars can be designed to be nested with each other, so as to realize the interlocking movement of the two when the keycap is pressed. In some implementations of the keyboard of the present disclosure, the reset member has a receiving groove for receiving a part of the balance bar, and has a conductive post located under the receiving groove. In this way, when the keycap is pressed, since the force-bearing distance of the conducting post is shorter, it has the effect of triggering the key signal faster.

Although the present disclosure has been disclosed above in terms of implementation, it is not intended to limit this disclosure. Any person skilled in the art may make various changes and modifications without departing from the spirit and scope of this disclosure. Therefore, the protection of this disclosure The scope shall be defined by the scope of the appended patent application.

100: keyboard 110: Bottom plate 120: circuit board 121: hollow part 122: hole 130: display components 140,240: button components 141,241,341: Keycaps 141a: Light-transmitting part 142: fixed seat 142a: limit slot 143: The first balance bar 143a, 144a: the first rod 143b, 144b: the second rod 143c, 144c: end 144: Second balance bar 145,245: reset parts 145a: holding tank 145b: Conducting column 145c, 245c: supporting feet 145d1, 145d2, 245d2: Notches 150: Gasket 241a: conduction rib 341b: the second engaging structure 360: bearing seat 361: The first engaging structure

In order to make the above and other purposes, features, advantages and embodiments of the present disclosure more comprehensible, the accompanying drawings are described as follows: FIG. 1 is a perspective view illustrating a keyboard according to an embodiment of the present disclosure. FIG. 2 is a partial three-dimensional exploded view of a keyboard according to an embodiment of the present disclosure. Fig. 3 is a partial three-dimensional assembled view showing the structure in Fig. 2 omitting the keycap. Fig. 4 is a partial cross-sectional view showing the structure in Fig. 2 . Fig. 5 is a partial perspective view showing the first balance bar and the reset member in Fig. 3 . FIG. 6 is a partial three-dimensional exploded view of a keyboard according to another embodiment of the present disclosure. Fig. 7 is a partial three-dimensional assembled view showing the structure in Fig. 6 omitting the keycap. Fig. 8 is a partial cross-sectional view showing the structure in Fig. 6 . FIG. 9 is a partial cross-sectional view illustrating some components of a key device according to another embodiment of the present disclosure.

Domestic deposit information (please note in order of depositor, date, and number) none Overseas storage information (please note in order of storage country, institution, date, and number) none

110: Bottom plate

120: circuit board

121: hollow part

122: hole

130: display components

140: Button component

141: keycap

141a: Light-transmitting part

142: fixed seat

143: The first balance bar

144: Second balance bar

145: Reset

150: Gasket

Claims (9)

A keyboard, comprising: a base plate; a display element, arranged above the base plate; and a key assembly, comprising: a keycap, located above the base plate, and having a light-transmitting portion located above the display element; a fixing seat , is arranged on the bottom plate, and has a limit slot; two balance bars, each of which includes a bar portion and an end portion, the bar portion is rotatably connected to the keycap, and the end portion is movably limited Located in the limiting groove; and a reset piece, which abuts against the keycap above the bottom plate and is adjacent to the edge of the keycap, wherein the reset piece is arranged below one of the balance bars, wherein the reset piece The piece is elongated and extends substantially parallel to the bar portion of the one of the balance bars. The keyboard as claimed in claim 1, wherein the reset member has a receiving groove, and the receiving groove receives a part of the rod portion of the one of the balance rods. The keyboard as described in claim 2, further comprising a circuit board arranged on the base plate, the part of the rod abuts against the bottom of the accommodating groove, and the reset member also has a conduction post, the conduction post is located in the accommodating placed below the slot and configured to contact the circuit board when the keycap is pressed. The keyboard as claimed in claim 1, wherein the reset member further has two supporting feet, and the supporting feet extend substantially parallel to the rod portion of the one of the balance rods. A keyboard, comprising: a base plate; a display element, arranged above the base plate; and a key assembly, comprising: a keycap, located above the base plate, and having a light-transmitting portion located above the display element; a fixing seat , is arranged on the bottom plate, and has a limit slot; two balance bars, each of which includes a bar portion and an end portion, the bar portion is rotatably connected to the keycap, and the end portion is movably limited It is located in the limiting groove; and a reset piece abuts against the keycap above the bottom plate and is adjacent to the edge of the keycap, wherein the reset piece is arranged and contacts between the keycap and the fixing seat. A keyboard, comprising: a base plate; a display element, arranged above the base plate; and a key assembly, comprising: a keycap, located above the base plate, and having a light-transmitting portion located on the base plate The top of the display element; a fixed seat, which is arranged on the bottom plate, and has a limit groove; two balance bars, each of which includes a bar part and an end part, and the bar part is rotatably connected to the keycap , the end is movably limited in the limiting slot, wherein the balance bars include a first balance bar and a second balance bar, the first balance bar is a solid structure, and the second balance bar The end part is a hollow structure; and a restoring part abuts against the keycap above the bottom plate and is adjacent to the edge of the keycap. The keyboard as claimed in claim 6, wherein at least a part of the end of the first balance bar is movably sleeved in the end of the second balance bar. The keyboard according to claim 6, further comprising a circuit board disposed on the bottom plate, the keycap has a conduction rib, and the conduction rib is configured to contact the circuit board when the keycap is pressed. A keyboard, comprising: a base plate; a display element, arranged above the base plate; a key assembly, comprising: a keycap, located above the base plate, and having a light-transmitting portion located above the display element, wherein the display element fixed to the bottom of the keycap surface; a fixed seat, which is arranged on the bottom plate, and has a limit groove; two balance bars, each of which includes a bar portion and an end portion, the bar portion is rotatably connected to the keycap, and the end portion The portion is movably limited in the limiting groove; and a reset member abuts against the keycap above the bottom plate and is adjacent to the edge of the keycap; and a bearing seat has a first engaging structure, the key The bottom surface of the cap has a second engaging structure, the first engaging structure and the second engaging structure are engaged with each other, and the display element is carried on the bearing base.

Images